Gas tank water heater replacement cost in Kansas City, MO
Installed, 50 gallon, standard vent
A typical gas water heater (50 gallon, standard vent) costs about $2,100 installed in the Kansas City area, 5% above the national figure, because plumbers here earn a median $37 an hour against $31 nationally.
Prices by size in Kansas City
| Size | Low | Typical | High | National typical |
|---|---|---|---|---|
| 40 gallon, standard vent | $1,700 | $2,000 | $2,550 | $1,900 |
| 50 gallon, standard vent | $1,750 | $2,100 | $2,700 | $2,000 |
| 75 gallon, standard vent | $2,500 | $2,900 | $3,450 | $2,800 |
| 40 gallon, power vent | $2,500 | $2,850 | $3,300 | $2,750 |
| 50 gallon, power vent | $2,700 | $2,900 | $3,550 | $2,850 |
Local labor: what plumbers earn here
| Hourly wage | Kansas City metro | United States |
|---|---|---|
| 25th percentile | $27 | $24 |
| Median | $37 | $31 |
| 75th percentile | $48 | $41 |
The Kansas City market
Kansas City's permit rules for replacing a water heater, furnace, AC or heat pump could not be confirmed from city sources for this page, including fees, homeowner eligibility and inspection steps. Call the City Planning and Development department before work begins, and remember that the metro spans two states: Kansas-side cities such as Overland Park and Olathe, and Missouri neighbors like Independence, issue their own permits. DOE's Building America guide places Jackson County in climate zone 4A, a mixed-humid region with real heating and cooling seasons. Across Missouri, EIA's 2020 survey found 59% of homes heat with natural gas and 31% with electricity, 76% use a furnace and 83% have central air. Missouri's federally funded home energy rebates may not open until 2027 or later.
Missouri water heaters split almost evenly, 50% gas and 47% electric statewide. In Kansas City, the least expensive replacement is usually the same fuel and size you have now, since switching fuels adds a gas line or a new circuit. Ask the contractor to state in writing which permit they will file. A quote that leaves the permit out is hard to compare with one that includes it. Ask about an expansion tank and haul-away too.
Permits in Kansas City
We couldn't confirm all of Kansas City's rules from official pages. Check with the building department before work starts.
| Permit for this job | Not stated on the city pages we checked |
|---|---|
| Fee | Not stated on the city pages we checked |
| Who can pull it | Not stated on the city pages we checked |
| Inspection | Not stated on the city pages we checked |
Rebates in Missouri
HEAR: announced, not open yet. HOMES: announced, not open yet. Source: Missouri DNR Division of Energy, checked October 13, 2026.
What these programs cover, and other states
Other systems in Kansas City
- Gas tankless water heater
- Gas furnace
- Central air conditioner
- Heat pump (ducted, outdoor unit + air handler)
Gas tank water heater cost in other metros
Sources
- Kansas City, MO permit source: General notices: CompassKC portal, permit division walk-in hours
- DOE Building America: Guide to Determining Climate Regions by County
- Missouri DNR: IRA Home Energy Rebates program
- EIA RECS 2020: Highlights for space heating fuel in U.S. homes by state
- EIA RECS 2020: Highlights for space heating in U.S. homes by state
- EIA RECS 2020: Highlights for air conditioning in U.S. homes by state
- EIA RECS 2020: Highlights for water heating in U.S. homes by state
- BLS OEWS May 2025, Kansas City, MO-KS (47-2152 plumbers)
- DOE Consumer Water Heaters Final Rule TSD (Apr 2024), Table 8.2.7 (2022$); labor share from App. 8D (3.75 h + trip, $420 of $791)